Uber
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I applied via campus placement at Vellore Institute of Technology (VIT) and was interviewed in Aug 2023. There were 3 interview rounds.
Aptitude Test had questions on sql, analytic ques, case study ques on uber
SQL joins are used to combine rows from two or more tables based on a related column between them. Window functions perform calculations across a set of table rows that are related to the current row.
SQL joins are used to retrieve data from multiple tables based on a related column between them (e.g. INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN).
Window functions are used to perform calculations on a set of rows related...
Answering SQL queries in an interview for Data Analyst Intern position
Understand the database schema and tables involved
Use SELECT, FROM, WHERE, GROUP BY, HAVING, ORDER BY clauses
Practice writing queries for common data analysis tasks like filtering, aggregating, and joining tables
Here they given three case study questions of uber where they would like to check you analytic behavior, they want to know how would you use the data to solve such a problem.
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I applied via campus placement at Birla Institute of Technology and Science (BITS), Pilani and was interviewed in Dec 2023. There were 2 interview rounds.
The first round was a 45 min long aptitude and case study round which involved basic aptitude questions along with certain cases like "There has been a drop off in customers booking a hotel though the the total number of visits to the site has not dropped. How would you you design a system to analyze the problem and what kind of data will you collect." It was followed by a couple of HR questions
A mock data set of hotel bookings in different countries for last two years were given a week prior to the interview. We were to clean, prepare, derive insights and recommend actions. All of this needed to be documented as 15 page presentation. This presentation then needed to be presented in a 45 min meet.
Approach involves data preprocessing, model training, evaluation, and interpretation.
Perform data preprocessing such as handling missing values, encoding categorical variables, and scaling features.
Split the data into training and testing sets.
Train the logistic regression model on the training data.
Evaluate the model using metrics like accuracy, precision, recall, and F1 score.
Interpret the model coefficients to under...
I would seek opportunities to apply my skills in related fields within the company.
Explore other departments or teams within the company that may have projects related to my field of interest
Offer to collaborate with colleagues in different departments to bring a new perspective to their projects
Seek out professional development opportunities to expand my skills and knowledge in related areas
I was interviewed in Dec 2023.
English, number system, grammar
Python , data science, machine learning
Python machine learning, natural language precossing
Python basics include syntax, data types, and control structures. Libraries like NumPy, Pandas, and Matplotlib enhance data analysis and visualization.
Python basics cover syntax, variables, data types, and control structures.
NumPy is a library for numerical computing, providing powerful array operations.
Pandas is a library for data manipulation and analysis, offering data structures like DataFrames.
Matplotlib is a libr...
Indian environment, village, college days
SQL - shared question on the screen and asked to code in SQL
I applied via LinkedIn and was interviewed before Jun 2023. There was 1 interview round.
SQL test on hackerrank
I applied via campus placement at Birla Institute of Technology and Science (BITS), Pilani and was interviewed in Dec 2023. There were 2 interview rounds.
The first round was a 45 min long aptitude and case study round which involved basic aptitude questions along with certain cases like "There has been a drop off in customers booking a hotel though the the total number of visits to the site has not dropped. How would you you design a system to analyze the problem and what kind of data will you collect." It was followed by a couple of HR questions
A mock data set of hotel bookings in different countries for last two years were given a week prior to the interview. We were to clean, prepare, derive insights and recommend actions. All of this needed to be documented as 15 page presentation. This presentation then needed to be presented in a 45 min meet.
I applied via Company Website and was interviewed before Dec 2023. There were 3 interview rounds.
Categories of the CAT exam include Quantitative Aptitude, Verbal Ability, Data Interpretation and Logical Reasoning, and Graphical questions.
Medium level. Focus on SQL subqueries application.
I applied via Campus Placement and was interviewed in Oct 2023. There was 1 interview round.
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